greenbone / python-gvm

            _xmlduration = cmd.add_element('duration', str(duration))

            _xmlduration.add_element('unit', duration_unit)

        if period:

            if not period_unit:

                raise RequiredArgument(

                    'Setting period requires period_unit argument')

            if not period_unit in TIME_UNITS:

                raise InvalidArgument(

                    'period_unit must be one of {units} but {actual} has '

                    'been passed'.format(

                        units=', '.join(TIME_UNITS), actual=period_unit))

            _xmlperiod = cmd.add_element('period', str(period))

            _xmlperiod.add_element('unit', period_unit)

        if timezone:

            cmd.add_element('timezone', str(timezone))

            _xmlduration = cmd.add_element('duration', str(duration))

            _xmlduration.add_element('unit', duration_unit)

        if period:

            if not period_unit:

                raise RequiredArgument(

                    'Setting period requires period_unit argument')

            if not period_unit in TIME_UNITS:

                raise InvalidArgument(

                    'period_unit must be one of {units} but {actual} has '

                    'been passed'.format(

                        units=', '.join(TIME_UNITS), actual=period_unit))

            _xmlperiod = cmd.add_element('period', str(period))

            _xmlperiod.add_element('unit', period_unit)

        if timezone:

            cmd.add_element('timezone', timezone)